Nagato The Sage
Member
There is no "Perfect" Susanoo. The real Kanji translates to "true". It's what happens when Madara stabilized an armored Susanoo; it's the 100% manifestation of Susanoo. Sasuke has already shown that he can jump from a "V3" Susanoo to a "Perfect" Susanoo:
Didn't ViZ say Perfect Susano'O?